Nissan Terrano model r20 series 2004. Manual — part 354
HFC-134a (R-134a) Service Procedure
DISCHARGING REFRIGERANT
WARNING:
Avoid breathing A/C refrigerant and lubricant vapor or mist. Exposure may irritate eyes, nose and
throat. To remove HFC-134a (R-134a) from the A/C system, use service equipment certified to meet the
requirements of HFC-134a (R-134a) recycling equipment or HFC-134a (R-134a) recovery equipment. If
accidental system discharge occurs, ventilate work area before resuming service. Additional health
and safety information may be obtained from refrigerant and lubricant manufacturers.
EVACUATING SYSTEM AND CHARGING REFRIGERANT
SHA559D
SHA560D
SERVICE PROCEDURES
HA-16
Set the recovery/recycling/recharging
equipment.
Recovered lubrication oil
Refer to LUBRICATION
OIL — Checking and
Adjusting.
Discharge refrigerant into recovery/
recycling/recharging equipment.
Repair or replace parts.
Evacuate the unwanted air in charging
hoses.
Evacuating (over 25 minutes).
Check air tightness.
E
Repair.
G
E
Charging [approx. 200 g (7.05 oz)].
*-1
Preliminary refrigerant leak check.
Complete charging
[specified amount — 200 g (7.05 oz)].
*-1
Check for refrigerant leaks.
*-2
Check for A/C operation and
A/C cooling performance
Remove service couplers from A/C service
valves.
Recover refrigerant in charging hoses.
Note: *-1 Before charging refrigerant, ensure engine is off.
*-2 Before checking for leaks, start engine to activate air conditioning system then turn it off.
Service valve caps must be attached to valves (to prevent leak).
H
H
H
H
H
H
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SERVICE PROCEDURES
HFC-134a (R-134a) Service Procedure (Cont’d)
HA-17
Refrigerant Lines
TD ENGINE LHD MODELS
YHA448
SERVICE PROCEDURES
HA-18
TD ENGINE RHD MODELS
YHA449
SERVICE PROCEDURES
Refrigerant Lines (Cont’d)
HA-19
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